From 9c59a184dba820975e5da6fcd5d248aee87f7e2f Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Sun, 2 Feb 2025 11:26:53 -0500 Subject: add l476 implementation --- .../NN/Source/ActivationFunctions/arm_relu_q7.c | 219 +++++++++++---------- 1 file changed, 110 insertions(+), 109 deletions(-) (limited to 'Drivers/CMSIS/NN/Source/ActivationFunctions/arm_relu_q7.c') diff --git a/Drivers/CMSIS/NN/Source/ActivationFunctions/arm_relu_q7.c b/Drivers/CMSIS/NN/Source/ActivationFunctions/arm_relu_q7.c index a3163cd..caa027b 100644 --- a/Drivers/CMSIS/NN/Source/ActivationFunctions/arm_relu_q7.c +++ b/Drivers/CMSIS/NN/Source/ActivationFunctions/arm_relu_q7.c @@ -1,109 +1,110 @@ -/* - * Copyright (C) 2010-2021 Arm Limited or its affiliates. All rights reserved. - * - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the License); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an AS IS BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* ---------------------------------------------------------------------- - * Project: CMSIS NN Library - * Title: arm_relu_q7.c - * Description: Q7 version of ReLU - * - * $Date: 20. July 2021 - * $Revision: V.1.1.3 - * - * Target Processor: Cortex-M cores - * - * -------------------------------------------------------------------- */ - -#include "arm_nnfunctions.h" -#include "arm_nnsupportfunctions.h" - -/** - * @ingroup groupNN - */ - -/** - * @addtogroup Acti - * @{ - */ - -/** - * @brief Q7 RELU function - * @param[in,out] data pointer to input - * @param[in] size number of elements - * - * @details - * - * Optimized relu with QSUB instructions. - * - */ - -void arm_relu_q7(q7_t *data, uint16_t size) -{ - -#if defined(ARM_MATH_DSP) && !defined(ARM_MATH_MVEI) - /* Run the following code for M cores with DSP extension */ - - uint16_t i = size >> 2; - q7_t *input = data; - q7_t *output = data; - q31_t in; - q31_t buf; - q31_t mask; - - while (i) - { - in = arm_nn_read_q7x4_ia((const q7_t **)&input); - - /* extract the first bit */ - buf = (int32_t)__ROR((uint32_t)in & 0x80808080, 7); - - /* if MSB=1, mask will be 0xFF, 0x0 otherwise */ - mask = __QSUB8(0x00000000, buf); - - arm_nn_write_q7x4_ia(&output, in & (~mask)); - - i--; - } - - i = size & 0x3; - while (i) - { - if (*input < 0) - { - *input = 0; - } - input++; - i--; - } - -#else - /* Run the following code as reference implementation for cores without DSP extension */ - - uint16_t i; - - for (i = 0; i < size; i++) - { - if (data[i] < 0) - data[i] = 0; - } - -#endif -} - -/** - * @} end of Acti group - */ +/* + * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* ---------------------------------------------------------------------- + * Project: CMSIS NN Library + * Title: arm_relu_q7.c + * Description: Q7 version of ReLU + * + * $Date: 17. January 2018 + * $Revision: V.1.0.0 + * + * Target Processor: Cortex-M cores + * + * -------------------------------------------------------------------- */ + +#include "arm_math.h" +#include "arm_nnfunctions.h" + +/** + * @ingroup groupNN + */ + +/** + * @addtogroup Acti + * @{ + */ + + /** + * @brief Q7 RELU function + * @param[in,out] data pointer to input + * @param[in] size number of elements + * @return none. + * + * @details + * + * Optimized relu with QSUB instructions. + * + */ + +void arm_relu_q7(q7_t * data, uint16_t size) +{ + +#if defined (ARM_MATH_DSP) + /* Run the following code for Cortex-M4 and Cortex-M7 */ + + uint16_t i = size >> 2; + q7_t *pIn = data; + q7_t *pOut = data; + q31_t in; + q31_t buf; + q31_t mask; + + while (i) + { + in = *__SIMD32(pIn)++; + + /* extract the first bit */ + buf = __ROR(in & 0x80808080, 7); + + /* if MSB=1, mask will be 0xFF, 0x0 otherwise */ + mask = __QSUB8(0x00000000, buf); + + *__SIMD32(pOut)++ = in & (~mask); + i--; + } + + i = size & 0x3; + while (i) + { + if (*pIn < 0) + { + *pIn = 0; + } + pIn++; + i--; + } + +#else + /* Run the following code as reference implementation for Cortex-M0 and Cortex-M3 */ + + uint16_t i; + + for (i = 0; i < size; i++) + { + if (data[i] < 0) + data[i] = 0; + } + +#endif /* ARM_MATH_DSP */ + +} + +/** + * @} end of Acti group + */ -- cgit v1.2.3